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CHIP from atari ST

Posted: 15 May 2019 20:02
by nemox
I have one chip from atari st maybe MEGA ST-
"s9012AB"
the case of the chip is like an MMU.
Please, what is this chip?
thanks

Re: CHIP from atari ST

Posted: 15 May 2019 20:20
by exxos
Can you post a image of it ?

Re: CHIP from atari ST

Posted: 15 May 2019 20:23
by PhilC
Not home at the mo but does sound similar to a blitter I have in an ST.

Re: CHIP from atari ST

Posted: 15 May 2019 20:37
by exxos

Re: CHIP from atari ST

Posted: 15 May 2019 20:39
by nemox
img.jpg

Re: CHIP from atari ST

Posted: 15 May 2019 20:41
by PhilC
Yes it's a blitter chip

Re: CHIP from atari ST

Posted: 15 May 2019 20:46
by exxos
Week 12 1990 , National, blitter MM9092V.

Re: CHIP from atari ST

Posted: 15 May 2019 20:51
by nemox
Thanks